高對比影像 的英文怎麼說

中文拼音 [gāoduìbǐyǐngxiàng]
高對比影像 英文
high-contrast image
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 影 : Ⅰ名詞1 （物體擋住光線后映出的形象） shadow 2 （鏡中、水面等反映出來的物體形象） reflection; image...
  • 像 : Ⅰ名詞1 （比照人物製成的形象） likeness （of sb ）; portrait; picture 2 [物理學] image Ⅱ動詞1 （在...
  1. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。
  2. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  3. The digital information is easy to process by pc. this paper introduces the stereo matching techniques in msv system, including image pre - processing, feature abstraction, stereo matching and depth information acquiring. in order to obtain images easy to detect objects " edges, images have to processed by the techniques such as guass smoothing and image enhancement

    針對顯微圖像的特點，對圖像進行了高斯平滑和圖像增強處理，有效的抑制了隨機噪聲對圖像處理的影響，提高了物體與背景的對比度，有效的實現了物體與背景的分離，為邊緣檢測特徵提取，立體匹配提供良好的圖像信息。
  4. Ct mri medical image system in pursuit of high - resolution, high - brightness and high - contrast has always brought new technical demands for medical display field. based on the accumulated top techniques and abundant experience, and the opinions and requirements gained from doctors working in the first line, bigtide has developed more convenient high - precision professional lcd for ct mri, which can be used to be responsible for the medical field that allows no performance compromise

    追求高解析度高亮度高對比度的ct mri醫療影像系統總是一次次為醫學顯示領域帶來新的技術要求， bigtide憑借多年積累的尖端技術和豐富經驗，並廣泛聽取了醫療第一線醫生的意見與要求，開發出了操作更容易的ct mri用高精度專業液晶顯示器，來應對不能有絲毫性能妥協的醫療現場。
  5. Abstract : compared the accuracy of the digital terain models enlarged form the air photographs kept in stock, pointed out the reliability and frugality of the computerizing optimum choosing route in surveying and designing the expressway, and proved the feasibility of choosing the optimum route by taking two steps and the effect it has on the investment of the expressway construction and the policy - making as well

    文摘:比較了利用現成航攝像片"以小放大"數字化成圖的精度，並指出了其在高速公路勘測設計中計算機優化選線的可靠性及經濟性；同時也論證了兩步選擇最優化線路的可行性及其對高速公路建設投資的影響和決策。
  6. The roughness of wyko and afm measuring are 0. 73nm and 0. 56nm in rms value respectively, in both primary and secondary mirrors, and will severity reduce the schwarzschlid optics throughput and the contrast of the image

    73urn ） sm ， wyko檢測結果）波紋度和高頻段的0 56urn （ ms ， afm撿測結果將嚴重影響schwarzschild微縮投影物鏡的成像對比度和傳輸效率。
  7. Because the bubbles and water are both colorless and transparent in aerated water flows, the contrast of the captured images is low, and uneven illumination exists. two bubbles extraction methods are proposed to eliminate the un - balance of illumination and higher accuracy bubble extraction is obtained

    由於摻氣水流中的氣泡的和水都是無色透明的，這使得拍攝到的氣泡圖像存在對比度低，並且存在光照不均的影響，為了解決光照對分割結果的影響，達到高精度提取氣泡的目的，本文提出了兩種圖像分割方法。
  8. As a new technology and new mode in the next generation rear projection tv and hdtv, reflective lcd is the best way to realize bright light output and high contrast ratio image. in the forth chapter, the physical characteristics and electronic - optics behavior are studied, as well as the working principle and properties of lcds. following the continuum theory, the detail formulas for calculating the director alignment of perpendicular alignment and twist nematic lcds are given

    高亮度、高解析度、高對比度以及體積小、重量輕、色彩豐富、圖像逼真始終是投影顯示技術的發展方向，在本部分，從亮度、解析度、重量和晶元闡述了投影機的技術發展趨勢，得出結論：反射式液晶投影顯示是實現高解析度高亮度投影顯示的最佳方案，也是新一代背投電視尤其是背投hdtv的最佳方案。
  9. Conclusion dynamic picture angiography with digital subtraction using non - ionic contrast medium under rapid injection is the key for claiming the high quality imaging diagnosis of congenital heart disease in children

    結論對于兒童先天性心臟病心血管造影而言，使用動態電影攝片，作數字血管減影，採用軸位成角投照技術，使用非離子型對比劑和快速注射對比劑是取得高質量圖像和理想診斷效果的關鍵。
  10. The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %

    通過模擬得到了ccd探測器的目標影像的分辨力與ccd像元尺寸的關系，當航天光學遙感相機的mtf較高（模擬中鏡頭的mtf = 1 ）且目標為高對比度時，得到ccd探測器的目標影像分辨力是其像元尺寸a的1 . 6倍，其光學調制度傳遞函數mtf下降32的結果。
  11. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。
  12. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    （ 2 ）三軸試驗土樣局部變形研究：首先定量比較了三軸試樣沿高度方向不同位置的局部變形（局部徑向變形與局部軸向變形）大小，分析了三軸試樣局部變形的特點和影響因素；然後把三軸試樣數字圖像測量結果與傳統測量結果進行比較，以鄧肯張非線性模型為例進行了模型參數的整理，分析了兩種不問測量方法引起的參數差異：最後用原型壓縮試驗對比有限元數值計算結果，驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。
  13. Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision

    採用遙感技術，可以突破傳統調查方法的限制，發揮其宏觀、綜合、直觀、快速的特點，取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源，根據數據的特點及滑坡災害應用特徵，對quickbird遙感數據則基於1 ： 10000dem進行了正射校正，對etm +遙感數據進行了波段優選，選取了753作為最佳組合波段；圖像增強，通過各種增強處理方法的效果對比，選擇主成分分析法對圖像進行增強；幾何精校正，糾正圖像的幾何變形；影像融合，主要選取了效果較好的his空間變換融合和解析度融合，得到的圖像既具有較高的光譜解析度，同時也具有較高的空間解析度。經過上述數字處理，較好地改善了圖像的視覺效果，提高了圖像解譯的精度。
  14. With the strengthening human ’ s impact to the nature ， the earth land surface 1s exderiencing profound change land use land cover change has become one of the most important study areas of global changes urbanization and industrialization are major types of land use change in china today ， which will certainly have a deep effect on the land use structure and food safety in this paper ， multi phases satellite image including corona ， tm ， etm + data which redresent the information of yixing of 1 966 ， 1 984 ， 1 992 and 200 1 ， respectively were dealt with multi - bands composition ， precise rectification ， interpretatlon ma ‘ k establishment ， computer assistant visual interpretation by the methord of multi 。 phase - sequence comparison and integrated technology of rs and gis vetor maps of land use of 1 984 ， 1 992 and 200 1 are attained by interpreting images above. by the data above and the image of corona of 1 966 ， vector maps of expanding towns ot yixing city from 1 966 to 2001 are acquired

    城市化、工業化已經成為當前我國土地利用變化主要表現形式，它必將對我國的土地利用結構和糧食安全產生深遠的影響。本文藉助遙感和gis技術，採用多時期連續對比法對fm ， etm + pan等多源衛星遙感影像進行土地利用人機交互解譯，獲得了高精度的宜興市1984 、 1992 、 2001年三個時期l ： 5萬土地利用圖。利用以上各時期的土地利用數據庫並結合1966年corona衛星影像資料建立了1966 、 1984 、 1992和2001年四個時期的城鎮建設用地數據庫。
  15. During image recognition, it reduces the yawp and improves the quality of the image with the technology of the median filter, it uses the method of maximum between - class variance to segment the object, then gets better effect. the algorithm is simple, and the adapted capacity is great. it doesn ’ t influence by the change between the contrast and lighteness of the image. so it applies on the real time system

    在圖像識別過程中，本文運用了中值濾波技術降低了噪聲，提高了圖像的質量，並採用了最大類間閾值分割法分割目標，得到了較好的效果，該方法計算簡單，自適應性強，在一定條件下不受圖像對比度與亮度變化的影響，因而在一些實時圖像處理系統中得到了廣泛的應用。
  16. At present, the practical problem that the target place faces is that the target is too small, the distance is far, the contrast ratio between the target and background is small. in order to improving the recognition capability of the equipment to the low contrast ratio target, fast and effective pattern recognition becomes one of key technology which influences systematic function

    目前靶場所面臨的實際問題是測量目標小，距離遠，目標與背景對比度小，為了提高靶場光測設備對低對比度目標的識別能力，快速、有效的圖像識別處理成為影響系統性能的關鍵技術之一。
  17. The text choose fenjin countryside of changchun as the typical district, choose rs and gis as the technological platform, utilize serial statistical data of land use from 1990 to 2002, remote sensing image and actual census data, adopt arc and statistical analysis method to analyze the change of land use structure in the process of urbanization, achieve the pace, range, trend and shift matrix of land use change ; at the same time analyzing economy, social and ecological benefit. the result shows : the agricultural area is reduced year by year, construction area is increased gradually, the social economic benefits are obviously improved, but the ecological benefits of the land drop to some extent. the urbanization process is developing quickly but it sacrifices the environments

    本文選擇長春市寬城區奮進鄉為典型區，以rs和gis為技術平臺，利用1990 - 2002年的土地利用系列統計資料、遙感影像解譯數據以及實際調查數據，採用arc方法和統計分析等方法對城市化進程中城市近郊的土地利用結構變化進行分析，獲得了土地利用變化的速度、幅度、趨勢及轉移矩陣;同時將同一時段奮進鄉的經濟、社會、生態效益的變化與土地利用變化進行對比分析，結果表明:農用地面積逐年減少，建設用地面積逐漸增多，社會經濟效益明顯提高，但土地的生態效益卻有所下降。
  18. Reasons of imaging excursion of two rotating mirror high speed cameras used simultaneously are discussed, and the influence to images are analysed according to the theories and experiments, such as the signal drift of the magnetoelectric sensor and improperly operating etc

    摘要討論了兩臺聯動轉鏡式高速相機像漂移的各種原因，從理論和實驗對相機像漂移的影響因素進行了分析，比如磁電式傳感器、材料、製作工藝、裝配精度及操作不當等。
  19. For rooftop structures only with either of the two conditions, auxiliary measurement and manually interpretation are used to make sure whether they are illegal

    ?建物僅符合其一條件，則輔以影像相對高?測?與人工判釋，抽取其高?資訊並比對建物使用許可高? ，藉此判斷是否有屋頂加蓋物的發生。
  20. Steiner ? latest optics technology adds contrast and provides extremely clear and brilliant images. it enhances the visibility and delivers outstanding clarity even in the worst light conditions

    視得樂的最新光學技術大大提高了鏡片的對比度，從而使影像極其清晰和明亮，特別是在非常暗淡的光線下，它可以有效提高可見度並使影像清晰。具體效果，參看熊捉魚的圖片比較。
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